RFR: 8354811: clock_tics_per_sec code duplication between os_linux and os_posix [v2]

[Matthias Baesken]

> Seems some of the clock_tics_per_sec code can be unified (e.g. in os_posix) between os_linux and os_posix.

Matthias Baesken has updated the pull request incrementally with one additional commit since the last revision:

  Adjust os_perf_aix.cpp too

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Changes:
  - all: https://git.openjdk.org/jdk/pull/24720/files
  - new: https://git.openjdk.org/jdk/pull/24720/files/5bc249ae..8c2e2b94

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=24720&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=24720&range=00-01

  Stats: 7 lines in 2 files changed: 0 ins; 4 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/24720.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24720/head:pull/24720

PR: https://git.openjdk.org/jdk/pull/24720